15561984

素因数分解:

$2^8\times 3^1\times {\mathrm{23}}^1\times {\mathrm{881}}^1$

素因数の和:923

約数の個数: 72

約数和(自身を含む): 43267392

約数和(自身を除く): 27705408

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 64, 69, 92, 96, 128, 138, 184, 192, 256, 276, 368, 384, 552, 736, 768, 881, 1104, 1472, 1762, 2208, 2643, 2944, 3524, 4416, 5286, 5888, 7048, 8832, 10572, 14096, 17664, 20263, 21144, 28192, 40526, 42288, 56384, 60789, 81052, 84576, 112768, 121578, 162104, 169152, 225536, 243156, 324208, 338304, 486312, 648416, 676608, 972624, 1296832, 1945248, 2593664, 3890496, 5187328, 7780992, 15561984]

約数ペア:

[(1, 15561984), (2, 7780992), (3, 5187328), (4, 3890496), (6, 2593664), (8, 1945248), (12, 1296832), (16, 972624), (23, 676608), (24, 648416), (32, 486312), (46, 338304), (48, 324208), (64, 243156), (69, 225536), (92, 169152), (96, 162104), (128, 121578), (138, 112768), (184, 84576), (192, 81052), (256, 60789), (276, 56384), (368, 42288), (384, 40526), (552, 28192), (736, 21144), (768, 20263), (881, 17664), (1104, 14096), (1472, 10572), (1762, 8832), (2208, 7048), (2643, 5888), (2944, 5286), (3524, 4416)]